How can I write ONE oxygen MOLECULE? pls help

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls

Which statement would indicate the presence of an acid